ELT-HIRES the High Resolution Spectrograph for the ELT: the IFU-SCAO module

A. Tozzi; E. Oliva; M. Xompero; G. Agapito; M. Bonaglia; G. Di Rico; C. Giordano; S. Esposito; N. Sanna

doi:10.1117/12.2311289

11 July 2018 ELT-HIRES the High Resolution Spectrograph for the ELT: the IFU-SCAO module

A. Tozzi, E. Oliva, M. Xompero, G. Agapito, M. Bonaglia, G. Di Rico, C. Giordano, S. Esposito, N. Sanna

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 107028Q (2018) https://doi.org/10.1117/12.2311289
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The first generation of ELT instruments will include an optical-infrared High Resolution Spectrograph, conventionally indicated as ELT-HIRES. This paper describes the optical design and overall architecture of the Integral Field Unit (IFU) that will fed the spectrograph. The module have the possibility to change the spaxel dimension thanks to a series of reflection mirrors and using a fast tip tilt mirror the position of the re-imaged foci on the fiber bundles can be adjusted looking at the focus image that is visible using a fiber viewer IR camera.

Citation Download Citation

A. Tozzi, E. Oliva, M. Xompero, G. Agapito, M. Bonaglia, G. Di Rico, C. Giordano, S. Esposito, and N. Sanna "ELT-HIRES the High Resolution Spectrograph for the ELT: the IFU-SCAO module", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107028Q (11 July 2018); https://doi.org/10.1117/12.2311289

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